Ben Stiller was 42 in Night at the Museum: Battle of the Smithsonian when he played the character 'Larry Daley'.
That was over 15 years ago in 2009.
Today he is 58, and has starred in 113 movies in total, 42 of those since Night at the Museum: Battle of the Smithsonian was released.
In Night at the Museum: Battle of the Smithsonian, I think Ben Stiller looks: